Climate change may not seem like an issue that should concern web developers, but the truth is that our work does have a carbon footprint, and it’s about time we started to think about that. As web developers, it’s understandable to feel that this is not an issue over which we have any influence, but this isn’t true. Many efforts are afoot to improve the situation on the web. The Green Web Foundation maintains an ever-growing database of web hosts who are either wholly powered by renewable energy or are at least committed to being carbon neutral. So, apart from powering servers with renewable energy, what else can web developers do about climate change?